National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Winona-Montgomery County Airport (K5A6)

Lat: 33.47°NLon: 89.73°WElev: 364ft.

Partly Cloudy

77°F

25°C

Humidity 85%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Aug 8:15 pm CDT
Extended Forecast for

Weir MS

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    T-storms
    Likely

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Calm wind.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a chance of showers after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 94. Calm wind.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weir MS
 33.25°N 89.3°W
Last Update:
8:15 pm CDT Aug 26, 2026
Forecast Valid:
8pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation